Sycamore, Illinois
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 10° 27° -27° (1985) 63° (1967) 1.54" 9.1"
February 16° 32° -23° (1996) 69° (2000) 1.4" 7.1"
March 26° 44° -13° (2002) 84° (1986) 2.46" 4.6"
April 37° 58° 8° (1982) 92° (1986) 3.52" 1.4"
May 48° 70° 24° (1989) 95° (1985) 4.21" 0.1"
June 58° 80° 34° (1993) 101° (1988) 4.49" 0"
July 63° 84° 43° (1967) 102° (1995) 4.22" 0"
August 61° 81° 39° (1986) 103° (1988) 4.48" 0"
September 51° 74° 27° (1991) 94° (1990) 3.51" 0"
October 40° 62° 13° (1988) 89° (2007) 2.6" 0.2"
November 28° 45° -8° (1976) 76° (2000) 2.82" 2.1"
December 17° 32° -22° (1983) 66° (1970) 2.13" 8.9"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Jan 1 12° 28° -14° (1968) 52° (2007) 0.05" NA
Jan 2 11° 28° -16° (1979) 45° (2000) 0.05" NA
Jan 3 11° 27° -15° (1979) 58° (2000) 0.05" NA
Jan 4 11° 27° -11° (1969) 55° (1998) 0.05" NA
Jan 5 11° 27° -21° (1999) 60° (1997) 0.05" NA
Jan 6 11° 27° -20° (1999) 48° (2007) 0.05" NA
Jan 7 10° 27° -19° (1988) 46° (1998) 0.05" NA
Jan 8 10° 27° -13° (1979) 46° (1989) 0.05" NA
Jan 9 10° 26° -12° (1982) 52° (2003) 0.05" NA
Jan 10 10° 26° -25° (1982) 56° (1975) 0.05" NA
Jan 11 10° 26° -22° (1979) 55° (1975) 0.05" NA
Jan 12 10° 26° -16° (1974) 45° (1992) 0.05" NA
Jan 13 10° 26° -12° (1997) 55° (2006) 0.05" NA
Jan 14 10° 26° -12° (1994) 42° (1996) 0.05" NA
Jan 15 10° 26° -21° (1979) 43° (1996) 0.05" NA
Jan 16 10° 26° -21° (1994) 47° (1973) 0.05" NA
Jan 17 26° -18° (1982) 51° (1973) 0.05" NA
Jan 18 10° 26° -24° (1994) 54° (1996) 0.05" NA
Jan 19 10° 26° -22° (1994) 57° (1996) 0.05" NA
Jan 20 10° 26° -27° (1985) 53° (2006) 0.05" NA
Jan 21 10° 26° -22° (1984) 49° (1967) 0.05" NA
Jan 22 10° 26° -14° (1970) 50° (1967) 0.05" NA
Jan 23 10° 27° -7° (1987) 57° (1967) 0.05" NA
Jan 24 10° 27° -10° (2000) 63° (1967) 0.05" NA
Jan 25 10° 27° -9° (2000) 60° (1967) 0.05" NA
Jan 26 10° 27° -15° (1982) 54° (1973) 0.05" NA
Jan 27 10° 27° -9° (1976) 52° (2002) 0.05" NA
Jan 28 10° 27° -15° (1977) 56° (2002) 0.05" NA
Jan 29 11° 28° -12° (1972) 52° (2002) 0.05" NA
Jan 30 11° 28° -13° (1978) 50° (1974) 0.05" NA
Jan 31 11° 28° -16° (1996) 52° (1988) 0.04" NA
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